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ID of heme	Distortion Sort by saddling ruffling doming breathing	Axial ligands on heme		Function & structure
1d1x-A-500	`sad. -0.68 ruf. -0.62 dom. +0.61 bre. -0.05`	CYS	chainID: A, resSeq: 186, molecule: BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE HEME DOMAIN	oxidoreductase oligomeric count: 2 pocket vol.: 517.0 Å³ d(Fe-oop): 0.334 Å
1d1x-A-500	`sad. -0.68 ruf. -0.62 dom. +0.61 bre. -0.05`	Not assigned.
1d1x-B-500	`sad. -0.56 ruf. -0.52 dom. +0.57 bre. -0.06`	CYS	chainID: B, resSeq: 186, molecule: BOVINE ENDOTHELIAL NITRIC OXIDE SYNTHASE HEME DOMAIN	oxidoreductase oligomeric count: 2 pocket vol.: 520.0 Å³ d(Fe-oop): 0.317 Å
1d1x-B-500	`sad. -0.56 ruf. -0.52 dom. +0.57 bre. -0.06`	Not assigned.